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measure for acid; (5) sulphuric acid with specific gravity of 

 1.82; (6) hot water. The necessary apparatus can be 

 bought for about five dollars, though a fuller equipment 

 may cost as much as twenty dollars. Full directions for 

 making the test come with each set of apparatus. 



Steps iri the Babcock test. The Babcock test is not 

 difficult to make, nor does it require much time. Yet great 



A Galloway prize winner. 



care must be taken if the results are to be trustworthy. The 

 following are the steps required in making the test: 



1. Stir the milk thoroughly before taking the sample. 



2. Fill the pipette to the height shown by the mark. 



3. Empty the pipette into the test-bottle, blowing to drive 

 all the milk out. 



4. Fill the acid measure to the mark shown with sulphuric 

 acid, and add to the test-bottle. 



5. Shake the bottle to mix the milk and acid thoroughly. 



